Blog

Oct

2020

An I/O Study of ECP Applications

We are pleased to post this white paper from The HDF Group intern, Chen Wang. This paper looks at the steps of analyzing and tuning the HACC-IO benchmarks, the impact of different access patterns, stripe settings and HDF5 metadata. It also compares the five benchmarks on two different parallel file systems, Lustre and GPFS and shows that HDF5 with proper optimizations can catch up the pure MPI-IO implementations. An I/O Study of ECP Applications...

Oct

2020

Webinar: HDF5 Application Tuning: There is more than one way to skin a cat(fish), part 1 supporting materials

On October 2, Gerd Heber presented a webinar, HDF5 Application Tuning: There is more than one way to skin a cat(fish), part 1. This post contains the supporting material for that webinar....

Sep

2020

Release of HDF5 1.10.7 (Newsletter #175)

The HDF5 1.10.7 release is now available for download....

Aug

2020

Webinar Announcement: There is more than one way to skin a cat(fish), Part 1

Register for the webinar There is more than one way to skin a cat(fish), Part 1, presented by Gerd Heber and held on October 2, 2020, at 11:00 CDT....

Aug

2020

A study of HACC-IO Benchmarks

On Friday, July 31, The HDF Group employee Chen Wang presented a Study of HACC-IO Benchmarks. We wanted to share these presentations with our community. Slide Deck https://youtu.be/AkcOwg3qLZo...

Jun

2020

Webinar Followup: Parallel I/O with HDF5 and Performance Tuning Techniques

On June 26, 2020, The HDF Group employee, Scot Breitenfeld presented a webinar called "Parallel I/O with HDF5 and Performance Tuning Techniques." ...

Jun

2020

The HDF Group Joins the COVID-19 High Performance (HPC) Consortium

The HDF Group (HDF®), the maintainers and creators of the open source HDF5 library and file format, has joined the COVID-19 High Performance Computing (HPC) Consortium as an affiliate to provide expertise that can enhance and accelerate COVID-19 research....

Jun

2020

OGC adopts and publishes Hierarchical Data Format Version 5 (HDF5) Core Standard

The Open Geospatial Consortium (OGC) membership has approved the Hierarchical Data Format Version 5 (HDF5) Core as an official OGC Standard. HDF5 provides a flexible, extensible, and efficient data model, programming interface, and storage model for keeping and managing spatial data....

An I/O Study of ECP Applications

Webinar: HDF5 Application Tuning: There is more than one way to skin a cat(fish), part 1 supporting materials

Release of HDF5 1.10.7 (Newsletter #175)

Webinar Announcement: There is more than one way to skin a cat(fish), Part 1

A study of HACC-IO Benchmarks

Webinar Followup: Parallel I/O with HDF5 and Performance Tuning Techniques

The HDF Group Joins the COVID-19 High Performance (HPC) Consortium

OGC adopts and publishes Hierarchical Data Format Version 5 (HDF5) Core Standard

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An I/O Study of ECP Applications

Webinar: HDF5 Application Tuning: There is more than one way to skin a cat(fish), part 1 supporting materials

Release of HDF5 1.10.7 (Newsletter #175)

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